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Rollup of 4 pull requests Successful merges: - #131790 (Document textual format of SocketAddrV{4,6}) - #131983 (Stabilize shorter-tail-lifetimes) - #132097 (sanitizer.md: LeakSanitizer is not supported on aarch64 macOS) - #132107 (Remove visit_expr_post from ast Visitor) r? `@ghost` `@rustbot` modify labels: rollup
For high-level intro to how type checking works in rustc, see the type checking chapter of the rustc dev guide.